AMD Radeon RX 480 vs AMD Radeon HD 8790M

Compare AMD Radeon RX 480 8 GB vs AMD Radeon HD 8790M 2 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

Benchmark Score
Other Benchmarks
Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

2142 points

4556% significantly better overall score

46 points

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

44 FPS

42 FPS significantly higher Flux Core frame rate

2 FPS

Electron frame rate

Randomly generated noise sphere test

33 FPS

32 FPS significantly higher Electron frame rate

0 FPS

City frame rate

Procedurally generated city scene with voxel rendering

45 FPS

44 FPS significantly higher City frame rate

1 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

17 FPS

17 FPS significantly higher Clouds frame rate

0 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

44522 points

534% significantly higher Geekbench 5 (OpenCL) score

7019 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

48947 points

543% significantly higher Geekbench 5 (Vulkan) score

7602 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

42732 points

801% significantly higher Geekbench 6 (OpenCL) score

4741 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

49182 points

613% significantly higher Geekbench 6 (Vulkan) score

6895 points

Specifications

Core Clock Speed

Nominal chip frequency

1266 MHz

48% significantly higher core clock speed

850 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1266 MHz

48% significantly higher boost clock speed

850 MHz

Memory

Onboard memory size for textures and vertices

8 GiB

300% significantly more memory

2 GiB

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

100% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

224 GB/s

250% significantly higher memory bandwidth

64 GB/s

Pixel Rate

Number of pixels that can be rendered per second

40.51 Gigapixels/s

462% significantly higher pixel rate

7.2 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

182.3 Gigatexels/s

743% significantly higher texture rate

21.6 Gigatexels/s

Shading Units

Number of processors dedicated to shader processing

2304

499% significantly more shading units

384

Texture Mapping Units

Number of processors dedicated to applying textures

144

499% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

300% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

199th of 586

548th of 586

Family

The product line

Radeon RX 400 Series

Radeon HD 8000M Series

Release date

The official date of release of this chip

2016 June

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.1

OpenGL Support

Maximum version of OpenGL supported

4.5

4.4

Radeon RX 480 vs Radeon HD 8790M specs and performance

For gaming, the Radeon RX 480 graphics card is better than the Radeon HD 8790M in our tests.

The Radeon RX 480 has a significantly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the Radeon RX 480 also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

Next up, in terms of GPU memory, the Radeon RX 480 has significantly more memory with 8 GiB of memory compared to 2 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 480 is better than the Radeon HD 8790M.